Samsung t220 problem screen goes off and on again and again

I need help for my Samsung T220. Few hours back it suddenly started going blank for a few seconds and then come back again for few seconds and then blank again..this cycle is repeating itself again and again. And every time it keeps auto adjusting itself.
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More about samsung t220 problem screen again
  1. Check cables. Does this happen in all applications or only games?

    Have it tried it on another computer?
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